#3750AC#3750AC

#3750AC is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.5% C 0.150 H 268.5°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#3750AC
RGB	rgb(55, 80, 172)
HSL	hsl(227, 52%, 45%)
HSV	hsv(227, 68%, 67%)
CMYK	cmyk(68%, 53.5%, 0%, 32.5%)
CIE-LAB	lab(36.98, 21.69, -52.17)
CIE-LCH	lch(36.98, 56.50, 292.57°)
OKLab	oklab(46.48% -0.0039 -0.1499)
OKLCH	oklch(46.48% 0.15 268.5)
XYZ	xyz(11.8880, 9.5270, 40.2341)
Luminance	0.0953 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3750AC #AC9337

analogous

#378BAC #3750AC #5837AC

triadic

#3750AC #AC3750 #50AC37

tetradic

#3750AC #AC378B #AC9337 #37AC58

square

#3750AC #AC378B #AC9337 #37AC58

split-complementary

#3750AC #AC5837 #8BAC37

monochromatic

#19254F #283A7E #3750AC #576FC9 #8597D8

Accessibility & contrast

On white

7.23

#3750AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#3750AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3750AC

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3750AC	#FFFFFF	#000000	##FFFFFF
##3750AC	1.00	7.23	2.91	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#115DAF

Deuteranopia (green-blind)

#0052AA

Tritanopia (blue-blind)

#006676

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3750ac;
/* rgb */ color: rgb(55, 80, 172);
/* oklch */ color: oklch(46.5% 0.150 268.5);

Tailwind

colors: {
  custom: {
    50: '#7c80c5',
    500: '#3750ac',
    950: '#000000',
  },
}

SCSS

$custom: #3750ac;
$custom-light: #7c80c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3750ac",
  "rgb": {
    "r": 55,
    "g": 80,
    "b": 172
  },
  "hsl": {
    "h": 227.179,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.46477,
    "c": 0.14998,
    "h": 268.5
  },
  "luminance": 0.09528
}

Semantic roles & 50–950 ramp

primary

#3750AC

secondary

#C2B37D

accent

#BD4DDB

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3750AC

Body copy rendered with the generated semantic roles for this colour.

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